955
CDUS42 KKEY 150533
CLIMTH
CLIMATE REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
133 AM EDT MON SEP 15 2025
...............................
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 14 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1950 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 95 2023 90 -2 93
MINIMUM MM MM 67 1954 78 0 85
AVERAGE MM 84 -1 89
PRECIPITATION (IN)
YESTERDAY 0.00 1.80 1990 0.20 -0.20 T
MONTH TO DATE 5.30 2.85 2.45 0.58
SINCE SEP 1 5.30 2.85 2.45 0.58
SINCE JAN 1 21.90 26.31 -4.41 35.71
DEGREE DAYS
HEATING
YESTERDAY MM 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 19 -1 23
MONTH TO DATE 108 257 -149 289
SINCE SEP 1 108 257 -149 289
SINCE JAN 1 3656 3727 -71 3957
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 1.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 63
AVERAGE 76
......................................................
THE MARATHON CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 94 2022
2023
MINIMUM TEMPERATURE (F) 78 68 1954
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 711 AM EDT SUNSET 728 PM EDT
SEPTEMBER 16 2025.....SUNRISE 711 AM EDT SUNSET 727 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page